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author	Max Filippov <jcmvbkbc@gmail.com>
	Fri, 27 Feb 2015 03:28:00 +0000 (06:28 +0300)
committer	Jiri Slaby <jslaby@suse.cz>
	Mon, 4 May 2015 09:50:12 +0000 (11:50 +0200)
commit	daf87596a7be66054c13f59dfbe3997b8aa69028
tree	0b4792400323bfc4823f597753823cb9f1bdc097	tree
parent	a77ea427cc3d75a4a2d07f6bcc96b49ed67ebe7c	commit \| diff

xtensa: xtfpga: fix hardware lockup caused by LCD driver

commit 4949009eb8d40a441dcddcd96e101e77d31cf1b2 upstream.

LCD driver is always built for the XTFPGA platform, but its base address
is not configurable, and is wrong for ML605/KC705. Its initialization
locks up KC705 board hardware.

Make the whole driver optional, and its base address and bus width
configurable. Implement 4-bit bus access method.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>

Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

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arch/xtensa/Kconfig		diff \| blob \| blame \| history
arch/xtensa/platforms/xtfpga/Makefile		diff \| blob \| blame \| history
arch/xtensa/platforms/xtfpga/include/platform/hardware.h		diff \| blob \| blame \| history
arch/xtensa/platforms/xtfpga/include/platform/lcd.h		diff \| blob \| blame \| history
arch/xtensa/platforms/xtfpga/lcd.c		diff \| blob \| blame \| history